Amashubhu ebhoyila ensimbi ye-alloy adlala indima ebalulekile ezinhlelweni zezimboni zesimanje ezinokushisa okuphezulu. Lawa mashubhu asetshenziswa kabanzi ezitshalweni zikagesi, ezifudumezini zokuhlanza, kumayunithi okucubungula i-petrochemical, kanye nasemishinini yebhoyila ethuthukisiwe lapho amazinga okushisa nokusebenza kanye nokucindezela kuphakeme kakhulu kunalawo atholakala ezinhlelweni zebhoyila ezivamile.
Phakathi kwezindlela ezisetshenziswa kakhulu zokusebenzisa amashubhu e-boiler ensimbi ye-alloy yilezi:I-ASTM A213, ehlanganisa amashubhu ensimbi e-ferritic ne-austenitic alloy angenamthungo aklanyelwe isevisi yokushisa okuphezulu. Lawa mashubhu avame ukusetshenziswa kuma-superheater, ama-reheater, kanye nezinhlelo zokushintshanisa ukushisa lapho ukumelana nokukhukhuleka, i-oxidation, kanye nokucindezeleka kokushisa kubalulekile.
Njengoba ubuchwepheshe bebhoyila yezimboni buqhubeka nokukhula, izinto ezifanaAmashubhu ensimbi e-alloy e-ASTM A213 T11, T22, kanye ne-T91 e-alloysezibe yizixazululo ezijwayelekile zezinhlelo zokukhiqizwa komusi oshisayo ophezulu. Lezi zinto ziqukethe izinto ezixubayo njenge-chromium ne-molybdenum, ezithuthukisa kakhulu amandla nokuqina kwensimbi emazingeni okushisa aphezulu.
I-Womic Steel ingumkhiqizi wamashubhu ebhoyila ensimbi ye-alloy yobungcweti, ukuhlinzekaAmashubhu ensimbi angenamthungo e-ASTM A213kumaphrojekthi ezitshalo zikagesi, izikhungo ze-petrochemical, kanye nezinhlelo zokushisa zezimboni emhlabeni jikelele. Ngemishini yokukhiqiza amashubhu angenamthungo ethuthukisiwe kanye nezinqubo zokulawula ikhwalithi eziqinile, i-Womic Steel ikhiqiza izixazululo zamashubhu ezisebenza kahle kakhulu ezihlangabezana nezindinganiso zobunjiniyela bamazwe ngamazwe.
Imininingwane ye-ASTM A213 ifaka phakathi uhla lwensimbi ye-alloy kanye namazinga ensimbi engagqwali asetshenziswa ezimweni zesevisi yokushisa okuphezulu. Amazinga ensimbi ye-alloy asetshenziswa kakhulu afaka phakathiI-T2, i-T5, i-T9, i-T11, i-T22, kanye ne-T91, ngayinye yenzelwe amazinga okushisa ahlukene kanye nezimo zokucindezela.
Ithebula elilandelayo lifingqa izinto eziningana ezivamileIzinhlobo zensimbi ye-alloy ye-ASTM A213.
| Ibanga | Izinto ze-alloy | Isicelo Esijwayelekile |
| T2 | Insimbi ye-alloy ephansi | Ama-boiler okushisa okumaphakathi |
| T5 | Insimbi ye-chromium alloy | Izishintshi zokushisa |
| T9 | Insimbi ye-Chromium molybdenum | Isevisi yokushisa okuphezulu |
| T11 | 1.25Cr-0.5Mo | Amabhoyila esitshalo samandla |
| T22 | 2.25Cr-1Mo | Ama-Superheater nama-reheater |
| I-T91 | 9Cr-1Mo-V | Ama-boiler okushisa okuphezulu kakhulu |
Phakathi kwala mabanga,I-ASTM A213 T11isetshenziswa kabanzi ezinhlelweni zamabhoyila ezitshalo zamandla. Ukwengezwa kwe-chromium ne-molybdenum kuthuthukisa ukumelana nokushiswa kwe-oxidation kanye namandla okushisa aphezulu uma kuqhathaniswa namashubhu ebhoyila ensimbi yekhabhoni avamile.
Okuvamileukwakheka kwamakhemikhali kwe-ASTM A213 T11kuboniswe kuthebula elilandelayo.
| Isici | Okuqukethwe |
| Ikhabhoni | 0.05 – 0.15% |
| I-Chromium | 1.00 – 1.50% |
| I-Molybdenum | 0.44 – 0.65% |
| I-Manganese | 0.30 – 0.60% |
| I-Silicon | 0.50 – 1.00% |
Ngenxa yamandla ayo okushisa aphezulu athuthukisiwe, i-T11 ivame ukusetshenziswa ku-amashubhu e-superheater, amashubhu okuvuselela, kanye nezinhlelo zebhoyila ezinomfutho ophezuluesebenza ezitshalweni zikagesi kanye nemishini yokushisa yezimboni.
Enye into esetshenziswa kabanziAmashubhu ensimbi e-alloy ye-ASTM A213 T22, equkethe okuqukethwe okuphezulu kwe-chromium kanye ne-molybdenum uma kuqhathaniswa ne-T11. Lokhu kwaziswa kunikeza ukumelana okuthuthukisiwe kokuqhekeka kanye nokumelana nokushiswa kwe-oxidation emazingeni okushisa aphezulu.
Okuvamileukwakheka kwamakhemikhali kwe-ASTM A213 T22kuboniswe ngezansi.
| Isici | Okuqukethwe |
| Ikhabhoni | 0.05 – 0.15% |
| I-Chromium | 1.90 – 2.60% |
| I-Molybdenum | 0.87 – 1.13% |
| I-Manganese | 0.30 – 0.60% |
| I-Silicon | 0.50 – 1.00% |
Ngenxa yalezi zinto zokuhlanganisa,Amashubhu ebhoyila e-ASTM A213 T22zisetshenziswa kabanzi ezindaweni ezishisa kakhulu zama-boiler ezimboni kanye nama-heater e-refinery.
Ezitshalweni zamandla zesimanje ezibaluleke kakhulu, ukumelana nokushisa okuphezulu kuyadingeka. Kulezi zimo,Amashubhu ensimbi e-alloy e-ASTM A213 T91zivame ukusetshenziswa.
I-T91 iqukethe cisheI-chromium engu-9%, kanye nokwengezwa kwe-molybdenum ne-vanadium. Lezi zinto ezixubayo zithuthukisa kakhulu amandla okushisa aphezulu, ukumelana nokuqhekeka, kanye nokumelana nokushiswa kwe-oxidation.
Okuvamileukwakheka kwamakhemikhali kwe-ASTM A213 T91kufaka phakathi:
| Isici | Okuqukethwe |
| Ikhabhoni | 0.08 – 0.12% |
| I-Chromium | 8.0 – 9.5% |
| I-Molybdenum | 0.85 – 1.05% |
| I-Vanadium | 0.18 – 0.25% |
| I-nitrogen | 0.03 – 0.07% |
Ngenxa yezakhiwo zayo zokushisa okuphezulu,Amashubhu ensimbi e-alloy e-T91 asetshenziswa kabanzi ezitshalweni zamandla ezibaluleke kakhulu kanye nezinhlelo zokukhiqiza umusi ezithuthukisiwe.
Ukuze uqonde kangcono umehluko phakathi kwalezi zinto, ithebula elilandelayo liqhathanisaAmashubhu ebhoyila ensimbi ye-alloy ye-T11, T22, kanye ne-T91.
| Ibanga | Okuqukethwe kwe-Chromium | Ukumelana Nokushisa | Izicelo Ezijwayelekile |
| T11 | ~1.25% | Phezulu | Amabhoyila esitshalo samandla |
| T22 | ~2.25% | Okuphakeme | Ama-Superheater |
| I-T91 | ~9% | Okuphezulu kakhulu | Amabhoyila aqine kakhulu |
Ngaphezu kokukhethwa kwezinto, ikhwalithi yokukhiqiza ibalulekile ekuqinisekiseni ukusebenza okuthembekile ezindaweni ezinokushisa okuphezulu. Amashubhu ebhoyila ensimbi ye-alloy kumele akhiqizwe kusetshenziswa izinqubo zokukhiqiza ezinembile kanye nezinqubo zokuhlola eziqinile.
I-Womic Steel ikhiqiza amashubhu ensimbi e-ASTM A213 asebenzisa imigqa yokukhiqiza amashubhu angenamthungo athuthukisiwe, okuhlanganisa nezinqubo zokudonsa ngokushisa kanye nokudonsa ngokubandayo. Lezi zikhungo ziqinisekisa ukulawulwa okunembile kobukhulu kanye nezakhiwo zezinto ezihambisanayo zezicelo zezimboni ezidingayo.
Ngesikhathi sokukhiqizwa, amashubhu ensimbi ye-alloy adlula ezinqubweni eziningana ezibalulekile zokwelashwa kokushisa ezifanaukwenza kube ngokwejwayelekile futhi kube nokulinganiselaLokhu kwelashwa kuthuthukisa amandla okusebenza kanye nokumelana nokukhukhuleka kwezinto.
Izinqubo zokuhlola eziphelele nazo ziyadingeka ukuqinisekisa ikhwalithi yamashubhu ebhoyila ensimbi ye-alloy. Izinqubo zokuhlola ezijwayelekile zifaka:
Ukuhlolwa kwe-Ultrasonic
Ukuhlolwa kwamanje kwe-Eddy
Ukuhlolwa kwengcindezi ye-hydrostatic
Ukuhlaziywa kokwakheka kwamakhemikhali
Ukuhlolwa kwezakhiwo zemishini
At Insimbi YaseWomic, wonke amashubhu ebhoyila ensimbi ye-ASTM A213 ahlolwa ngokuqinile ngaphambi kokuthunyelwa ukuqinisekisa ukuhambisana okugcwele nezindinganiso zomhlaba wonke kanye nezincazelo zephrojekthi.
Amashubhu ebhoyila ensimbi ye-alloy asetshenziswa kabanzi ezimbonini eziningana, okuhlanganisa ukukhiqizwa kukagesi, ukukhiqizwa kwe-petrochemical, kanye nokuhluzwa kukawoyela. Ezitshalweni zikagesi, la mashubhu asetshenziswa kuma-superheater kanye nama-reheater lapho amazinga okushisa umusi angadlula khona600°C.
Ezindaweni ze-petrochemical kanye nezifudumezi zokuhlanza, amashubhu ensimbi e-alloy ahlinzeka ngokusebenza okuthembekile ezinhlelweni zokudlulisa ukushisa ezishisa kakhulu.
Ngenxa yezimo zokusebenza ezidingayo ezihilelekile, ukukhetha i-umenzi wepayipi le-boiler lensimbi ye-alloykubalulekile ukuqinisekisa ukusebenza kahle kohlelo okuphephile nokuphephile.
Nginolwazi oluningi ekukhiqizeni amashubhu ensimbi angenamthungo,I-Womic Steel isibe ngumkhiqizi othembekile wamashubhu ensimbi e-ASTM A213 ahlanganisa ama-T11, T22, kanye nama-T91 grades.Le nkampani inikeza izixazululo zamapayipi ezisezingeni eliphezulu zezitshalo zikagesi, izikhungo zamakhemikhali kaphethiloli, izinhlelo zokufudumeza zezindawo zokuhlanza, kanye nabakhiqizi bamabhoyila ezimboni emhlabeni jikelele.
Ngobuchwepheshe bokukhiqiza obuthuthukisiwe, izinqubo zokulawula ikhwalithi eziqinile, kanye namaqembu okukhiqiza ochwepheshe,I-Womic Steel iyaqhubeka nokuletha amashubhu ebhoyila ensimbi ye-alloy athembekile ukuze kusetshenziswe kakhulu ezimbonini ezishisa kakhulu.
Umkhiqizi Weshubhu Yebhoyila Yensimbi Ye-Womic - Ulwazi Lokuxhumana
I-Womic Steel ingumkhiqizi ochwepheshe ogxile kumashubhu ebhoyila angenamthungo, amashubhu okunemba adonswa ngokubandayo, amashubhu okushintshanisa ukushisa, namashubhu e-U bend kumaphrojekthi ezimboni omhlaba wonke. Ngemishini yokukhiqiza ethuthukisiwe kanye nezinhlelo zokulawula ikhwalithi eziqinile, i-Womic Steel inikeza izixazululo zamashubhu ezisebenza kahle kakhulu ezihambisana nezindinganiso ezinkulu zomhlaba wonke kufaka phakathi i-ASTM A192, i-ASTM A210, i-ASTM A213, i-EN10216 P235GH, kanye nezinsimbi ezahlukahlukene ze-alloy kanye nezinsimbi ezingagqwali.
Njengomkhiqizi wamashubhu ebhoyila onolwazi, i-Womic Steel inikeza imikhiqizo ehlukahlukene efana namashubhu ebhoyila angenamthungo, amashubhu adonswayo abandayo, amashubhu ebhoyila ensimbi e-alloy, amashubhu okushintshanisa ukushisa ensimbi engagqwali, kanye namashubhu e-U bend enziwe ngokwezifiso. Le mikhiqizo isetshenziswa kabanzi ezitshalweni zikagesi, kuma-boyila ezimboni, ezindaweni zikaphethroli, ezindaweni zokuhluza, kanye nasezinhlelweni zokushintshanisa ukushisa.
I-Womic Steel iyakwazi ukukhiqiza izimo zamashubhu ezenziwe ngokwezifiso kufaka phakathi amashubhu e-U, amashubhu e-serpentine, amashubhu e-multi-bend, namashubhu e-coil, isekela izinkampani zobunjiniyela nabakhiqizi bemishini abanomthamo wokukhiqiza onokwethenjelwa kanye nekhwalithi yomkhiqizo eqhubekayo.
Ngamaqembu okukhiqiza ochwepheshe kanye nemigqa yokukhiqiza yesimanje, i-Womic Steel iqinisekisa ikhwalithi ezinzile, ubukhulu obuqondile, kanye nokulethwa okuthembekile kuyo yonke iphrojekthi.
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